code: def test_cpu_count():
      count = cpu_count()
      assert isinstance(count, int)
      assert count <= os.cpu_count()
      assert count >= 1
  
file_path: dask/dask/tests/test_system.py
imports: from __future__ import annotations
  import builtins
  import io
  import os
  import sys
  import pytest
  from dask.system import cpu_count
label_desc: Use image node_id 1 for calling a global function with example usage: test_cpu_count() without return types